Brush



FIG. 1 is a plan view of the brush as seen from above;

FIG. 2 is a plan view from the brush as seen from below;

FIG. 3 is a side view of the brush;

FIG. 4 is a side view from the other side of the brush; and,

FIG. 5 is a top and side perspective view of the brush.

The portions of the handle shown in broken lines form no part of the claimed design. 

The ornamental design for a brush, as shown and described. 